6Garland SM. Human papillomavirus update with a particular focus on cervical disease [J]. Pathology, 2002, 34 (3) : 21"3-224.
7Syrjanen S,Puranen M. Human papillomavirus infections in children: the potential role of maternal transmission [J]. Crit Rev Oral Biol Med, 2000,11 (2): 259-274.
8Schiffman M,Castle PE,Jeronimo J,et al. Human papillomavirns and cervical cancer[J]. Lancet, 2007,370(9590) : 890-907.
9Fife KH,Katz BP,Roush L,et al. Cancer-assodlated human papillomavims lypes are selectively increased in the corYix of women in the first trimester of pregnancy[J]. Am J Obstet Gynecol, 1996, 174(5 ) : 1487-1493.
10Lee SM, Park JS, Norwitz ER, et al. Risk of vertical transmission ofhuman papillomavims throughout pregnancy: a prospective study [J]. PIS One,2013, 8(6) :e663668.
